What should be done when entering a traffic lane designated for left turns?

Answer: B — Slow down and signal

When entering a traffic lane designated for left turns, it is important to slow down and signal. Slowing down allows you to assess the traffic conditions and prepare to make the turn safely. Signaling is crucial because it communicates your intention to other drivers, pedestrians, and cyclists who may be nearby. Proper signaling helps prevent accidents by ensuring that everyone is aware of your movements. This approach fosters safer and more organized traffic flow, as other drivers can anticipate your actions. In contrast, speeding up and merging or changing lanes aggressively can create confusion and increase the risk of a collision. Ignoring other vehicles completely is also unsafe, as it disregards the presence of other road users who have the right to navigate the roadway as well.